package core.db.converter;


import core.db.sqlite.ColumnDbType;
import core.db.util.TextUtils;

import java.sql.ResultSet;
import java.sql.SQLException;

/**
 *
 * Date: 13-11-4
 * Time: 下午10:51
 */
public class FloatColumnConverter implements ColumnConverter<Float> {
    @Override
    public Float getFieldValue(final ResultSet resultSet, int index) throws SQLException {
        if(index<0){
            return null;
        }
        float value = resultSet.getFloat(index);
        if(resultSet.wasNull()){
            return null;
        }
        return value;
    }

    @Override
    public Float getFieldValue(String fieldStringValue) {
        if (TextUtils.isEmpty(fieldStringValue)) return null;
        return Float.valueOf(fieldStringValue);
    }

    @Override
    public Object fieldValue2ColumnValue(Float fieldValue) {
        return fieldValue;
    }

    @Override
    public ColumnDbType getColumnDbType() {
        return ColumnDbType.REAL;
    }
}
